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authorbunnei <bunneidev@gmail.com>2018-08-20 20:30:45 +0200
committerGitHub <noreply@github.com>2018-08-20 20:30:45 +0200
commitb20ed93884ae349667f094b99ed38b3ea2fa4456 (patch)
tree382ea2d2ab0390c3ee48a4d81c558e97bb8a2992 /src/video_core/engines
parentMerge pull request #1117 from ogniK5377/CheckFreeCommunicationPermission (diff)
parentShader: Implemented the TLD4 and TLD4S opcodes using GLSL's textureGather. (diff)
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Diffstat (limited to 'src/video_core/engines')
-rw-r--r--src/video_core/engines/shader_bytecode.h76
1 files changed, 72 insertions, 4 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 9413a81fb..3ba6fe614 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -223,6 +223,13 @@ enum class PredicateResultMode : u64 {
NotZero = 0x3,
};
+enum class TextureType : u64 {
+ Texture1D = 0,
+ Texture2D = 1,
+ Texture3D = 2,
+ TextureCube = 3,
+};
+
union Instruction {
Instruction& operator=(const Instruction& instr) {
value = instr.value;
@@ -434,6 +441,8 @@ union Instruction {
} conversion;
union {
+ BitField<28, 1, u64> array;
+ BitField<29, 2, TextureType> texture_type;
BitField<31, 4, u64> component_mask;
bool IsComponentEnabled(size_t component) const {
@@ -442,9 +451,39 @@ union Instruction {
} tex;
union {
- BitField<50, 3, u64> component_mask_selector;
+ BitField<28, 1, u64> array;
+ BitField<29, 2, TextureType> texture_type;
+ BitField<56, 2, u64> component;
+ } tld4;
+
+ union {
+ BitField<52, 2, u64> component;
+ } tld4s;
+
+ union {
BitField<0, 8, Register> gpr0;
BitField<28, 8, Register> gpr28;
+ BitField<50, 3, u64> component_mask_selector;
+ BitField<53, 4, u64> texture_info;
+
+ TextureType GetTextureType() const {
+ // The TEXS instruction has a weird encoding for the texture type.
+ if (texture_info == 0)
+ return TextureType::Texture1D;
+ if (texture_info >= 1 && texture_info <= 9)
+ return TextureType::Texture2D;
+ if (texture_info >= 10 && texture_info <= 11)
+ return TextureType::Texture3D;
+ if (texture_info >= 12 && texture_info <= 13)
+ return TextureType::TextureCube;
+
+ UNIMPLEMENTED();
+ }
+
+ bool IsArrayTexture() const {
+ // TEXS only supports Texture2D arrays.
+ return texture_info >= 7 && texture_info <= 9;
+ }
bool HasTwoDestinations() const {
return gpr28.Value() != Register::ZeroIndex;
@@ -469,6 +508,31 @@ union Instruction {
} texs;
union {
+ BitField<53, 4, u64> texture_info;
+
+ TextureType GetTextureType() const {
+ // The TLDS instruction has a weird encoding for the texture type.
+ if (texture_info >= 0 && texture_info <= 1) {
+ return TextureType::Texture1D;
+ }
+ if (texture_info == 2 || texture_info == 8 || texture_info == 12 ||
+ texture_info >= 4 && texture_info <= 6) {
+ return TextureType::Texture2D;
+ }
+ if (texture_info == 7) {
+ return TextureType::Texture3D;
+ }
+
+ UNIMPLEMENTED();
+ }
+
+ bool IsArrayTexture() const {
+ // TEXS only supports Texture2D arrays.
+ return texture_info == 8;
+ }
+ } tlds;
+
+ union {
BitField<20, 24, u64> target;
BitField<5, 1, u64> constant_buffer;
@@ -533,9 +597,11 @@ public:
LDG, // Load from global memory
STG, // Store in global memory
TEX,
- TEXQ, // Texture Query
- TEXS, // Texture Fetch with scalar/non-vec4 source/destinations
- TLDS, // Texture Load with scalar/non-vec4 source/destinations
+ TEXQ, // Texture Query
+ TEXS, // Texture Fetch with scalar/non-vec4 source/destinations
+ TLDS, // Texture Load with scalar/non-vec4 source/destinations
+ TLD4, // Texture Load 4
+ TLD4S, // Texture Load 4 with scalar / non - vec4 source / destinations
EXIT,
IPA,
FFMA_IMM, // Fused Multiply and Add
@@ -749,6 +815,8 @@ private:
INST("1101111101001---", Id::TEXQ, Type::Memory, "TEXQ"),
INST("1101100---------", Id::TEXS, Type::Memory, "TEXS"),
INST("1101101---------", Id::TLDS, Type::Memory, "TLDS"),
+ INST("110010----111---", Id::TLD4, Type::Memory, "TLD4"),
+ INST("1101111100------", Id::TLD4S, Type::Memory, "TLD4S"),
INST("111000110000----", Id::EXIT, Type::Trivial, "EXIT"),
INST("11100000--------", Id::IPA, Type::Trivial, "IPA"),
INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),